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U4301B PCIe Protocol Analyzer
Captures and decodes PCI Express data
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Highlights
Accurate Data Capture with PCIe Analyzers
The Keysight U4301B PCI Express (PCIe) analyzer combines accurate probing technology with flexible hardware architecture. This PCIe 3.0 analyzer uses Keysight’s unique Equalization Snoop Probe (ESP) technology, allowing you to match the algorithm to the type of channel the protocol analyzer is monitoring. This technology ensures that the captured data is as accurate as possible.
- Hardware and software features of PCIe analyzers ensure the fastest time to insight
- Supports PCIe 1.0 through PCIe 3.0 and x1 link width through x16
- A single x16 configuration can be split into two separate smaller link width test systems
- Transactional analysis of NVMe and PCIe data includes tools for finding and decoding the protocol information
- Simple-to-use, powerful state-based triggering
- Advanced filters and triggering for complex scenario analysis
PCIe analyzers for Finding and decoding protocol information
The Keysight PCIe analyzer offers tools for finding and decoding protocol information, making it easy to locate protocol errors or validate device operation. View data from the physical layer up through the transaction layer with these analysis features:
- Industry-standard spreadsheet-style GUI for the presentation of protocol information
- Clear and precise data viewing through a table-based approach
- Easy-flow and color-by-packet-type protocol views
- Lane, packet, navigation, LTSSM, and performance summary viewers
Standard Configurations
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PCI Express Protocol Analyzer
Hardware
- Supports 2.5 GT/s (Gen1), 5.0 GT/s (Gen2) and 8.0 GT/s (Gen3) speeds
- x1 through x16 link width support
- 8 GB capture for x1 to x8 bidirectional, up to 16 GB capture for x16 bidirectional
- CEM slot, M.2 (M-key), and SFF-8639 PCIe interposers; PCIe Gen3 midbus probe, flying leads
Data viewing and navigation
- Packet viewer with flexible coloring, color by packet type or direction
- Lane view with packet highlighting to show the actual data on the bus (header, payload?)
- Simple packet filter, quick search and auto compute
- Correlation across all views, clicking in one view quickly navigates you to the same point in time in another view
Analysis tools
- LTSSM overview with equalization analysis helps verify the link training process and identify reasons for failure
- Traffic overview with detailed traffic pattern analysis and graphing
- Performance analysis with utilization, throughput, response time and latency measures (including flow control analysis)
- Transaction decode of PCIe, NVMe and AHCI with data analysis with data overview
Simple-to use, powerful state-based triggering
- Simple-to-use filters and triggers
- Advanced triggering for complex scenario analysis (ex. missing completion)
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